ZesleCP up to 3.1.9 FTP Account Creation Endpoint os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.14

Summaryinfo

A vulnerability labeled as critical has been found in ZesleCP up to 3.1.9. Affected by this vulnerability is an unknown functionality of the component FTP Account Creation Endpoint. The manipulation results in os command injection. This vulnerability is cataloged as CVE-2021-47794. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in ZesleCP up to 3.1.9. It has been classified as critical. Affected is an unknown part of the component FTP Account Creation Endpoint. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

ZesleCP 3.1.9 contains an authenticated remote code execution vulnerability that allows attackers to create malicious FTP accounts with shell injection payloads. Attackers can exploit the FTP account creation endpoint by injecting a reverse shell command that establishes a network connection to a specified listening host.

The weakness was shared by Numan Türle as 50233. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2021-47794 since 01/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50233). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/14/2026 CVE reserved
01/16/2026 +2 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50233
Researcher: Numan Türle
Status: Not defined

CVE: CVE-2021-47794 (🔒)
GCVE (CVE): GCVE-0-2021-47794
GCVE (VulDB): GCVE-100-341484
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 09:30
Changes: 01/16/2026 09:30 (80)
Complete: 🔍
Cache ID: 216:152:103

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